Home / 18,141.44-27,217.12-6,455.84

Finding the Fourth Proportional to 18,141.44, 27,217.12 and 6,455.84

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Solution

The fourth proportional to 18,141.44, 27,217.12 and 6,455.84 is: 9,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.44 : 27,217.12 = 6,455.84 : x
  2. Step 2: Convert to fraction form
    18,141.44/27,217.12 = 6,455.84/x
  3. Step 3: Cross multiply
    18,141.44x = 27,217.12 × 6,455.84
  4. Step 4: Simplify right side
    18,141.44x = 175,709,371.98
  5. Step 5: Solve for x
    x = 175,709,371.98/18,141.44
  6. Step 6: Final answer
    x = 9,685.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.